Spars, Rigging, and Hardware for Sailboats

Rig-Rite, Inc.
Phone: (001) 401-739-1140 -- FAX: (001) 401-739-1149
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Spartan SP-512 Airfoil Spreader Section


Spartan Spars SP-512 Airfoil Spreader Section
Measurements: 3.75" x 1.18" (3 3/4" x 1 3/16")
Wall Thickness: .094"
Weight/ft.: .88 lbs.
Moments of inertia: Ixx = .75", Iyy = .123"
Alloy: 6061-T6
Common Boat usage: C&C 24*, 29*, 30, 33; Cape Dory 31, 32, 33*; Pearson 32*, 323, 365K Mizzen, 424K Mizzen; Tartan 30, 31, 10, 34; & others.
See also: Rig-Rite SP375 Spreader Section (3 3/4" x 1 5/16").
SP-512 

 


SP-512 Airfoil Spreader Section Hardware
SP-512 Spreader Section: SP-512XR-____:
Spartan SP-512 Spreader Extrusion is stocked Raw (mill finish) and is available in lengths up to 14'. To order: specify length.

 

 

 

 

SP-512 Tapered Spreader Ass'y w/ twist-lock Tip: SP-512TA-TL____:
Spartan SP-512 Spreaders are normally tapered, and include a special welded aluminum 'twist-lock' spreader tip, which captures the shroud without using seizing wire. Other Tips are available. Standard finish is clear anodized, specify color if painted finish is required. Standard Lengths are 2' 11", 3' 1/2" and 3' 11 1/2", but finished spreaders are available in any length. To order: Specify maximum length from inboard end to shroud bearing surface, spreader base configuration, and finish.

 

SP-512TA
SP-512 Tapered Spreader Ass'y w/ slotted Tip: SP-512TA-SL____:
Tapered SP-512 Spreaders include deep slotted spreader tip, SP-512TS, other Tips are available. Standard finish is clear anodized, specify color if painted finish is required. Finished spreaders are available in any length. To order: Specify maximum length from inboard end to shroud bearing surface, spreader base configuration, and finish.

 

 
SP-512 Tapered Spreader Ass'y - Tartan 10: SP-512TA-T10:
Special Spartan SP-512 Spreader Assembly as used on Tartan 10. Welded, tapered Spreader has deep slotted spreader tip, SP-512TS, inboard end fits cast Spreader Base. Length is 47 1/2" to shroud. Stocked in clear anodized finish.

 

 

 

 

SP-512 Tapered Spreader Ass'y - Pearson 365: SP-512TA-P365:
Special Spartan SP-512 Spreader Assembly as used on Pearson 365 Main Mast. Welded, tapered Spreader has 'twist-lock' spreader tip, inboard end fits cast Spreader Base. Length is 47 5/8" to shroud. Special for P-365 Main.

 

SP-512 Tapered Spreader Ass'y - Pearson 365K, 424K Mizzen: SP-512TA-PMizG:
Special Spartan SP-512 Spreader Assembly as used on Pearson 365, and 424 Mizzen Masts. Welded, tapered Spreader has 'twist-lock' spreader tip, inboard end is curved to fit Mast Section, and has welded tube for 5/8" Pin. Maximum LOA is 46 1/4". Stocked with Awlgrip Light Gray finish. Special for P-365K and P-424K Mizzen Masts.

 

 

 

 


SP-512 Tapered Spreader Tip - Twist-lock: SP-512TL:
Special 'twist-lock' Spreader Tip for spreader tapered to 2 3/4" features slot for up to 3/8" shroud. Shroud is secured without seizing wire, by inserting it horizontally into Spreader Tip and then 'twisting' it to lie in line with the mast. Tip measures 2 3/4" x 1", and extends shroud seat 1/2" beyond spreader tube. Cast aluminum Spreader Tip has uncoated Aluminum finish for use in welded applications.

 

SP-512 Tapered Spreader Tip - Slotted: SP-512TS:
Slotted Spreader Tip for spreader tapered to 1 3/4" features slot for up to 3/8" shroud. Shroud is secured with 3/16" FH screw. Tip measures 1 3/4" wide x 2 1/4" long x (maximum) 7/8" thick, and extends shroud seat 1 1/4" beyond spreader tube, portion inside spreader is 1 1/2" long. Cast aluminum Spreader Tip has uncoated Aluminum finish for use in welded applications. As used on a variety of C&C Yachts, Hinterholler Yachts and others, and used with other Spreader Sections.

 

Tapered Discontinuous Spreader Tip w/ 3/8" Pin: K-11446S-6:
Cast aluminum Spreader Tip is used on a variety of spreaders tapered to 1 3/4". Unit features narrow slot with 3/8" horizontal pin for attaching link tangs. Spreader Tip measures 1 5/8" wide x 1 1/8" high with 1/2" wide slot, and extends 2" beyond spreader tube. Pin center is 1 3/8" beyond spreader tube, 3/8" Pin, K-CP6-54, is included. Tip has uncoated Aluminum finish for use in welded applications. Also available with other Pin sizes, Specify Pin diameter.

 


Spreader Bases for SP-512 Airfoil Spreaders
Spartan SP-512 Airfoil Spreaders are normally used with Spreader Bases which are formed to fit specific Mast Sections. A variety are listed below.
 
CD-4.5 Spreader Base - Port: SP-502P:
CD-4.5 Spreader Base - Starboard: SP-502S:
Original Cast aluminum Spreader Base for CD 4.5 Mast Section fits flush with the mast surface and attaches to the mast with (6) 1/4" RH screws. Base is (maximum) 5 3/8" long x 3" high. Designed for rigs with in-line spreaders for use with 3 3/4" Airfoil Spreaders, SP-512. Cast in 356 Aluminum with clear anodized finish.

 

SP-502P
  Vertical Pin for SP-512 Spreader Brackets: SP-512P:
Clevis Pin for attachment of SP-512 Spreaders to any of the Cast Spreader Brackets listed here is 1/2" x 1 3/8" long. Includes cotter pin.

 

CD-4.5 Spreader Base w/ Tang Attachment - Port: SP-765P:
CD-4.5 Spreader Base w/ Tang Attachment - Starboard: SP-765S:
New-style Cast aluminum Spreader Base for CD 4.5 Mast Section fits flush with the mast surface and attaches with (4) 1/4" FH screws and a 1/2" bolt. Unique and sleek design allows for use of the same 1/2" bolt as an attachment point for a lower shroud tang Bearing Plate (SP-11216-S1), which fits under the Spreader Base. Commonly used with Double Lower Shroud Tang Set (SP-753K). Base is (maximum) 5 1/2" long x 3 1/4" high. Designed for rigs with in-line spreaders for use with 3 3/4" Airfoil Spreaders, SP-512. Cast in 356 Aluminum with clear anodized finish.

 

SP-765P 

 

 

Sound Spar 7747 Spreader Base for SP-512, Port: SS 7747SB-P:
Sound Spar 7747 Spreader Base for SP-512, Starboard: SS 7747SB-S:
Cast Aluminum Spreader Base used on Sound Spar 7747 Mast Section (7.75" x 4.75") with SP-512 Spreaders. Spreader fits over male stud on Base, Teardrop shaped Base is 5 1/2" wide x 3 1/8" high. Normally attaches to Mast with (6) 1/4" RH screws, but due to mounting variations castings are supplied raw, without holes for fasteners. As used on some Pearson 32, 323, Tartan 30, 31 and others.

 

C&C Spreader Base for SP-512, Port: CC SPB3-100P:
C&C Spreader Base for SP-512, Starboard: CC SPB3-100S:
Cast Aluminum Spreader Base used on C&C Masts with SP-512 Spreaders. Spreader fits over male stud on Base, Rectangular Base is 5" wide x 3 1/2" high with slight curve to fit C&C Mast Sections. Attaches to Mast with (6) 1/4" FH screws. As used on C&C 30 Mk.1 (1983), and others.

 

C&C Spreader Base for SP-512, Port: CC SPB3-114P:
C&C Spreader Base for SP-512, Starboard: CC SPB3-114S:
Cast Aluminum Spreader Base used on C&C Masts with SP-512 Spreaders. Spreader fits over male stud on Base, Rectangular Base is 4 1/2" wide x 3" high with deep curve to fit C&C Mast Sections. Attaches to Mast with (6) 1/4" RH screws. Undrilled.

 

 
C&C Spreader Base for SP-512, Port: CC SPB3-115P:
C&C Spreader Base for SP-512, Starboard: CC SPB3-115S:
Cast Aluminum Spreader Base used on C&C Masts with SP-512 Spreaders. Spreader fits over male stud on Base, Rectangular Base is 4 1/4" wide x 2 7/8" high with deep curve to fit C&C Mast Sections. Attaches to Mast with (6) 1/4" RH screws.

 

C&C 24 Spreader Base for SP-512, Port: CC SPB3-24P:
C&C 24 Spreader Base for SP-512, Starboard: CC SPB3-24S:
Cast Aluminum Spreader Base used on C&C Masts with SP-512 Spreaders. Spreader fits over male stud on Base, Rectangular Base is 4 3/8" (maximum) wide x 3" high with sharp angle to fit C&C Mast Section. Attaches to Mast with (4) 1/4" FH screws. As used on C&C 24.

 

 
MetalMast 6641 SS Spreader Base for SP-512: MM 6641SBS-10:
Stainless Steel Spreader Base with 5/8" Vertical Pin used on MetalMast 6641 Mast Section (6.62" x 4.12") with SP-512 Spreaders. Attaches to Mast with (7) 1/4" RH screws. Base Measures (maximum) 3 1/2" high x 3 1/2" wide, and projects 2 1/2" out from Mast. Used with SP-512 Airfoil configured as SP-512TA-PMizG, above. As used on Pearson 365 and 424 Mizzen Masts, and others. P10073

 

 

SS Spreader Base w/ 3/8" Pin, Port Aft: SS 8755SBS-6PA:
SS Spreader Base w/ 3/8" Pin, Starboard Aft: SS 8755SBS-6SA:
Stainless Steel Spreader Bases used on Sound Spar 8755, and other Mast Sections, with SP-512, SP-165, and other Spreaders using a 1/4" or 5/16" thick Inboard Spreader End Plate. SS Rectangular Base is 2 1/2" high x 2 3/16" wide, and attaches to Mast with (4) 1/4" RH screws on 1 3/4" (vertical) x 1 1/2" (horizontal) centers. Spreader Inboard End is attached to Base with a 3/8" clevis pin (included). Bases are used in pairs, with a Port Aft and a Starboard Aft version on each side of the Mast. (Port Aft = Starboard Forward, Starboard Aft = Port Forward).  SS8755S

 

 
SS Spreader Base w/ 1/2" Pin, Port Aft: SS 8755SBS-8PA:
SS Spreader Base w/ 1/2" Pin, Starboard Aft: SS 8755SBS-8SA:
Stainless Steel Spreader Bases used on Sound Spar 8755, and other Mast Sections, with SP-512, SP-165, and other Spreaders using a 3/8" thick Inboard Spreader End Plate. SS Base is 3" square and attaches to Mast with (4) 1/4" RH screws on 2 1/8" (vertical & horizontal) centers. Spreader Inboard End is attached to Base with a 1/2" clevis pin (included). Bases are used in pairs, with a Port Aft and a Starboard Aft version on each side of the Mast. (Port Aft = Starboard Forward, Starboard Aft = Port Forward). As used on Pearson 36, 424, and others. P1184SA SS8755L

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